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Data Systems⚪New

🧩 Query Languages (Declarative vs Imperative)

How we ask for data. Imperative tells the computer *how* to do it (loops); Declarative tells it *what* we want (SQL).

⬇️ Foundation

🎯 Mastery Criteria

✔Student can translate a simple imperative loop into a declarative SQL statement.

⚠️ Common Trap

SQL is old and therefore bad.